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quant-ph2026
The quantum superluminality in the tunnel-ionization process of H-like atoms
Ossama Kullie, Igor A. Ivanov
The quantum tunneling time remains the subject of heated debate, and one of its most curious features is faster-than-light or superluminal tunneling. Our tunnel-ionization model of…
quant-ph2025
Universal Behavior of Tunneling Time and Barrier Time-Delay Decoupling in Attoclock Measurements
Ossama Kullie
The measurement of the tunneling time-delay is hotly debated and remains controversial. In previous works, we showed that a model that accurately describes the time-delay measured…
quant-ph2024
High-precision minmax solution of the two-center Dirac equation
Ossama Kullie
We present a high-precision solution of Dirac equation by numerically solving the minmax two-center Dirac equation with the finite element method (FEM). The minmax FEM provide a hi…